1 /*
2  * Copyright (C) 2016 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #ifndef RESET_REASON_EVENT_H_
18 #define RESET_REASON_EVENT_H_
19 
20 #include "contexthub.h"
21 #include "nanomessage.h"
22 
23 namespace android {
24 
25 /*
26  * These classes represent events sent with event type EVT_RESET_REASON. The
27  * platform-specific reset reason is sent at each boot of the sensor hub.
28  */
29 
30 class ResetReasonEvent : public ReadEventResponse {
31   public:
32     /*
33      * Constructs and populates a ResetReasonEvent instance. Returns nullptr if
34      * the packet is malformed. The rest of the methods in this class are not
35      * guaranteed to be safe unless the object is constructed from this
36      * function.
37      */
38     static std::unique_ptr<ResetReasonEvent> FromBytes(
39         const std::vector<uint8_t>& buffer);
40 
41     // Returns the 32-bit field that contains the platform-specific reset reason
42     uint32_t GetReason() const;
43 };
44 
45 }  // namespace android
46 
47 #endif // RESET_REASON_EVENT_H_
48